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DS2436Z Datasheet

  • DS2436Z

  • Battery ID/Monitor Chip

  • 29頁

  • DALLAS   DALLAS

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PRELIMINARY
DS2436
Battery ID/Monitor Chip
www.dalsemi.com
FEATURES
摟
摟
摟
摟
摟
摟
摟
摟
Unique 1-Wire鈩?interface requires only one
port pin for communication
Provides unique 64-bit identification number
to battery packs
On-board A/D converter monitors battery
voltage for end-of-charge and end-of-
discharge determination
Eliminates thermistors by sensing battery
temperature on-chip
256-bit nonvolatile user memory available
for storage of data such as fuel gauge and
manufacturing information
2-byte cycle counter
Operating range of -40擄C to +85擄C
Applications include portable computers,
portable/ cellular phones, consumer
electronics, and handheld instrumentation
PACKAGE OUTLINE
DALLAS
DS2436
1 2 3
BOTTOM
NC
NC
DQ
GND
GND
DQ
VDD
1
2
3
4
8
7
6
5
V
DD
NC
NC
NC
DS2436B
TO-92 PACKAGE
DS2436Z
150-mil, 8-Pin SOIC
PIN DESCRIPTION
GND
DQ
V
DD
- Ground
- Data In/Out
- Supply/Battery Connection
DESCRIPTION
The DS2436 Battery Identification/Monitor Chip provides a convenient method of tagging and
identifying battery packs, by manufacturer, chemistry, or other identifying parameters. The DS2436
allows the battery pack to be coded with a unique 64-Bit ROM ID and a 16-Bit Manufacturer ID, and also
store information regarding the battery life and charge/ discharge characteristics in its nonvolatile
memory.
The DS2436 also performs the essential function of monitoring battery temperature, without the need for
a thermistor in the battery pack.
A cycle counter assists to determine the remaining cycle life of the battery.
Finally, the DS2436 measures battery voltage and sends that measured value to a host CPU for use in
end-of-charge or end-of-discharge determination or basic fuel gauge operation.
Information is sent to/from the DS2436 over a 1-Wire interface, so that battery packs need only have
three output connectors: power, ground, and the 1-Wire interface.
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DS2436Z 產(chǎn)品屬性

  • Maxim Integrated Products

  • Li-Ion, NiCD, NiMH Pack

  • - 4 mA (Min)

  • + 85 C

  • - 40 C

  • SOIC-8

  • SMD/SMT

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